643393413

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{90149}}^1$

素因数の和:90229

約数の個数: 24

約数和(自身を含む): 1017252600

約数和(自身を除く): 373859187

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 7137, 90149, 270447, 811341, 1171937, 3515811, 5499089, 10547433, 16497267, 49491801, 71488157, 214464471, 643393413]

約数ペア:

[(1, 643393413), (3, 214464471), (9, 71488157), (13, 49491801), (39, 16497267), (61, 10547433), (117, 5499089), (183, 3515811), (549, 1171937), (793, 811341), (2379, 270447), (7137, 90149)]